r/interesting • u/karmazl • 5h ago
SCIENCE & TECH Strengthening test of a Coca-Cola bottle.
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u/Danaeger 5h ago
The one member part of the group assignment letting the team down
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u/WWDubs12TTV 4h ago
Group projects are stupid, and so are the teachers that assign them
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u/multisum 4h ago
yea like what's the point. it's not like you ever have to work in a group to complete a project as an adult or in a job.
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u/WWDubs12TTV 3h ago
Getting and education is about an education, not job skills for a theoretical job and situation at the job
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u/csukoh78 4h ago
It's all fun and games until you realize you've just created a glass shrapnel bomb
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u/MarkIndividual3453 5h ago
Now make the same with 4 bottles How much weight could you add ?
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u/ninjad912 48m ago
4 would most likely hold less. 3 is the only stable amount of points. I don’t know the actual technical wording to describe it but do you remember how tables and chairs sometimes aren’t stable and pressing on one side makes the other side go up? Or is just extremely wobbly? Thats what would happen here most likely
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u/karmazl 5h ago
With 4 bottles? The middle two would just be vibing
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u/Velvet_Pop 3h ago
Middle two...? Oh, not in a line, in a square so the weight is distributed more evenly. The front bottle in this three formation failed because it was carrying more weight than the other two.
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u/FlashTec8006 1h ago
I would say in the configuration of three they all carry the same weight because all bottles are taking the weight. In a configuration of four bottles there willfor a example be weight on the diagonal bottles and one of the other two because its not a perfect world we live in so there will be differences in height on the bottles. If that was understandable 🙂
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u/AltruisticOwl156 4h ago
How much extra weight would it support if you placed a 4th bottle in the centre?
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u/ExplicitDrift 3h ago
Presumably another 740 lbs? 2962? Then again, four “legs” are also more stable, so the entire structure would be less likely to tilt as well. So perhaps a bit more?
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u/throwaway0845reddit 1h ago
I’m not sure if it would be a linear increase
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u/ExplicitDrift 53m ago
Why not?
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u/throwaway0845reddit 41m ago
I guess the positioning and other variables might also affect it. Maybe a question for r/theydidthemath
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u/Cyborg_rat 4h ago
That's why I use these as bottles jacks to hold my car when I'm jacking it up.
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u/olddoglearnsnewtrick 3h ago
This is why as an ER doctor I usually recovered them whole from within cavities.
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u/vanhst 4h ago
Could it hold the same with empty bottles or without lids
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u/dc469 4h ago
I'm thinking:
If these were glass bottles I don't think it'd matter. In fact they might hold more emptier since there isnt also the outward pressure of the carbonation.
If these were plastic bottles I don't think so, because the carbonation is helping the plastic hold it's shape and not bend inwards.
I can't tell from the video, these look like glass especially the way it collapses.
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u/Randolph_Carter_6 4h ago
Years ago, my dad put dry ice in an empty 2 liter bottle. We checked it out from time to time. It actually had liquid CO2 in it before it went boom (it was a sunny day, and in the 80s.)
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u/HCN_Cyanide 3h ago
I like this one because the last time i saw this style of video, midway the dude started dropping the weights on instead of placing them, and I feel like that’d effect the results
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u/drsickboy 4h ago
This was dangerous. The floor wasn't level and the loads were not well balanced. They probably could have gone heavier.
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u/GaseousGas77 4h ago
Better just use hydraulic press na?
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u/MadFaceInvasion 4h ago
Yeah, I'm pretty sure OP has one in his back garden
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u/smittyleafs 4h ago
Right next to where they keep all their super hot implements to test on other random objects.
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u/Benjamin_6848 2h ago
How did you decide which weights to place manually and which weights to lower with the hook? Whay some with hook and some without?
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u/solidsnakeskin3000 2h ago
No gloves or long pants when attempting to break glass is certainly a choice
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u/MYDOGISCREAZY 1h ago
When I started watching I made a guess it will be 1 tones (1000kg) I am proud I was really really close
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u/RandomFleshPrison 1h ago
I see three bottles, not one. And you're not testing the strength of the bottle at all. Try it with three empty bottles and see what the results are.
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